Drucker, P. F. (1977). People and performance: The best of Peter Drucker on management. Harper's College Press.
Citazione stile Chigago Style (17a edizione)Drucker, Peter Ferdinand. People and Performance: The Best of Peter Drucker on Management. New York: Harper's College Press, 1977.
Citatione MLA (9a ed.)Drucker, Peter Ferdinand. People and Performance: The Best of Peter Drucker on Management. Harper's College Press, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.